545047379 has 2 divisors, whose sum is σ = 545047380. Its totient is φ = 545047378.

The previous prime is 545047367. The next prime is 545047411. The reversal of 545047379 is 973740545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545047379 - 2¹² = 545043283 is a prime.

It is a Chen prime.

It is equal to p_28599029 and since 545047379 and 28599029 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (545047079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272523689 + 272523690.

It is an arithmetic number, because the mean of its divisors is an integer number (272523690).

Almost surely, 2^545047379 is an apocalyptic number.

545047379 is a deficient number, since it is larger than the sum of its proper divisors (1).

545047379 is an equidigital number, since it uses as much as digits as its factorization.

545047379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 545047379 is about 23346.2497844943. The cubic root of 545047379 is about 816.8545864558.

The spelling of 545047379 in words is "five hundred forty-five million, forty-seven thousand, three hundred seventy-nine".